<template>
	<view class="fix-top-window">
		<view class="uni-header">
			<view class="uni-group">
				<input class="uni-search" type="text" v-model="query" @confirm="search"
					:placeholder="$t('common.placeholder.query')" />
				<button class="uni-button hide-on-phone" type="default" size="mini"
					@click="search">{{$t('common.button.search')}}</button>
				<button class="uni-button" type="primary" size="mini"
					@click="navigateTo('./add')">{{$t('common.button.add')}}</button>
				<button class="uni-button" type="warn" size="mini" :disabled="!selectedIndexs.length"
					@click="delTable">{{$t('common.button.batchDelete')}}</button>
			</view>
		</view>
		<view class="uni-container">
			<uni-table ref="table" :loading="loading" emptyText="啥也没" border stripe type="selection"
				@selection-change="selectionChange">
				<uni-tr>
					<uni-th align="center" filter-type="search" @filter-change="filterChange($event, 'permission_id')"
						sortable @sort-change="sortChange($event, 'permission_id')">权限标识</uni-th>
					<uni-th align="center" filter-type="search" @filter-change="filterChange($event, 'permission_name')"
						sortable @sort-change="sortChange($event, 'permission_name')">权限名称</uni-th>
					<uni-th align="center" filter-type="search" @filter-change="filterChange($event, 'comment')"
						sortable @sort-change="sortChange($event, 'comment')">备注</uni-th>
					<uni-th align="center" filter-type="timestamp" @filter-change="filterChange($event, 'create_date')"
						sortable @sort-change="sortChange($event, 'create_date')">创建时间</uni-th>
					<uni-th align="center">操作</uni-th>
				</uni-tr>
				<uni-tr v-for="(item,index) in tableData" :key="index">
					<uni-td align="center">{{item.permission_id}}</uni-td>
					<uni-td align="center">{{item.permission_name}}</uni-td>
					<uni-td align="center">{{item.comment}}</uni-td>
					<uni-td align="center">
						<uni-dateformat :threshold="[0, 0]" :date="item.create_date"></uni-dateformat>
					</uni-td>
					<uni-td align="center">
						<view class="uni-group">
							<button @click="navigateTo('./edit?id='+item._id, false)" class="uni-button" size="mini"
								type="primary">{{$t('common.button.edit')}}</button>
							<button @click="confirmDelete(item._id)" class="uni-button" size="mini"
								type="warn">{{$t('common.button.delete')}}</button>
						</view>
					</uni-td>
				</uni-tr>
			</uni-table>
			<view class="uni-pagination-box">
				<uni-pagination show-icon show-page-size :page-size="pagination.size" v-model="pagination.current"
					:total="pagination.count" @change="onPageChanged" @pageSizeChange="changeSize" />
			</view>
		</view>
		<!-- #ifndef H5 -->
		<fix-window />
		<!-- #endif -->
	</view>
</template>

<script>
	import {
		dataList,
		addData,
		updateData,
		getDetail,
		removeById
	} from '@/api/demo/mockCurd.js';

	// 表查询配置
	const dbOrderBy = 'create_date desc' // 排序字段
	const dbSearchFields = ['permission_id', 'permission_name'] // 模糊搜索字段，支持模糊搜索的字段列表
	// 分页配置
	const pageSize = 20
	const pageCurrent = 1

	const orderByMapping = {
		"ascending": "asc",
		"descending": "desc"
	}

	export default {
		data() {
			return {
				loading: false,
				pagination: {
					size: 10,
					current: 1,
					count: 1
				},
				tableData: [],
				query: '',
				where: '',
				orderby: dbOrderBy,
				orderByFieldName: "",
				selectedIndexs: [],
				options: {
					pageSize,
					pageCurrent,
					filterData: {}
				},
				imageStyles: {
					width: 64,
					height: 64
				},
			}
		},
		onLoad() {
			this._filter = {}
		},
		onReady() {
			this.loadData()
		},
		methods: {
			changeSize(pageSize) {
				this.options.pageSize = pageSize
				this.options.pageCurrent = 1
				this.$nextTick(() => {
					this.loadData()
				})
			},
			search() {
				console.log('搜索中......')
				this.$nextTick(() => {
					this.loadData()
				})
			},
			loadData(clear = true) {
				dataList().then(res => {
					console.log('列表......')
					console.log(res)
					this.tableData = res.data.data
				})
			},
			onPageChanged(e) {
				this.selectedIndexs.length = 0
				this.$refs.table.clearSelection()
				this.loadData({
					current: e.current
				})
			},
			navigateTo(url, clear) {
				// clear 表示刷新列表时是否清除页码，true 表示刷新并回到列表第 1 页，默认为 true
				uni.navigateTo({
					url,
					events: {
						refreshData: () => {
							this.loadData(clear)
						}
					}
				})
			},
			// 多选处理
			selectedItems() {
				var dataList = this.tableData
				console.log(dataList)
				return this.selectedIndexs.map(i => dataList[i]._id)
			},
			// 批量删除
			delTable() {
				uni.showModal({
					title: '提示',
					content: '是否批量删除该数据',
					showCancel: true,
					success: (res) => {
						if (!res.confirm) {
							return
						}
						removeById(this.selectedItems(), {
							success: (res) => {
								this.$refs.table.clearSelection()
							}
						})
					}
				})
			},
			// 多选
			selectionChange(e) {
				this.selectedIndexs = e.detail.index
				console.log('多选下标:')
				console.log(this.selectedIndexs)
			},
			confirmDelete(id) {
				uni.showModal({
					title: '提示',
					content: '是否删除该数据',
					showCancel: true,
					success: (res) => {
						if (!res.confirm) {
							return
						}
						removeById(id, {
							success: (res) => {
								this.$refs.table.clearSelection()
							}
						})
					}
				})
			},
			sortChange(e, name) {
				this.orderByFieldName = name;
				if (e.order) {
					this.orderby = name + ' ' + orderByMapping[e.order]
				} else {
					this.orderby = ''
				}
				this.$refs.table.clearSelection()
				this.$nextTick(() => {
					this.loadData()
				})
			},
			filterChange(e, name) {
				this._filter[name] = {
					type: e.filterType,
					value: e.filter
				}
				this.$nextTick(() => {
					this.loadData()
				})
			}
		}
	}
</script>

<style>
</style>
